COLLECTION OF OTTOMAN STONE INSCRIBED INTAGLIOS. Ca. AD 1300 - 1600. A collection of five inscribed stone intaglios, each oval in form and engraved with calligraphic inscriptions. The stones vary in colour from dark green to white and shades of translucent and opaque red. For similar see: V. Porter, Arabic and Persian seals and Amulets in the British Museum, Cat. 325, 490-496. Size: 12-16mm x 10-12mm; Weight: 5g Provenance: Private UK collection; acquired on the London art market; formerly with R. Unger, Parthenon gallery, 1990s.